'''Tumladen''' was the name for the hidden valley within the [[Encircling Mountains]] where the [[Elves|Elven]] city of [[Gondolin]] was built during the [[First Age]].

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'''Tumladen''', the "Valley of Smoothness", was the name for the hidden valley within the [[Encircling Mountains]] where the [[Elves|Elven]] city of [[Gondolin]] was built during the [[First Age]].<ref>{{LT2|Gondolin}}, p. 163</ref>

[[Turgon]], a king of the [[Noldor]], discovered Tumladen under the divine guidance of the [[Valar|Vala]] [[Ulmo]], Lord of Waters.

[[Turgon]], a king of the [[Noldor]], discovered Tumladen under the divine guidance of the [[Valar|Vala]] [[Ulmo]], Lord of Waters.

Turgon, a king of the Noldor, discovered Tumladen under the divine guidance of the ValaUlmo, Lord of Waters.

"...Then Tuor and his companion fared over the plain that was of a marvellous level, broken but here and there by boulders round and smooth which lay amid a sward, or by pools in rocky beds. Many fair pathways lay across that plain..."